Bluetooth Headset, Latest Intelligent Magnetic Clasp Design Bluetooth Earphone, Sweat -Proof Wireless Stereo Sport Headphone with Apt-x /CVC 6.0 Noise Isolating Tech for Most Bluetooth Device. (Black) Latest intelligent answering technology. Pick up or end up call by separate or merge the two earpieces. If someone talk to you when you are listening music, just merge earpieces can pause music. Super fashion and intelligence experience. Human engineering design. Sweatproof and comfortable, two earbuds can attract each other by magnetic around your neck. No need to worry it will be lost. Bluetooth 4.1. Chip : CSR 8645. Support famous Apt-x, A2DP, CVC6.0 noise cancelling technology. The sound quality of the headset will makes you impressed. Powerful Battery. Up to 7 hours music/ talking time. 200 hours standby time. Makes you can enjoy your favorite music all day. Built-in HD and sensitivity Mic. Can be connect with two device at the same time.